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press “ENT” key to enter Directory-DEL screen as follows.
Use the or key to select the number of the entry, the press “ENT” key to delete the entry.
8. TECHNICAL SPECIFICATIONS
Power supply DC 12 V +30/-10%
Channel capability 55 international channels
1~28, 60~88 simplex & semi-duplex
Frequency Resolution 25 KHz
Method of frequency generation synthesizer
Dimension 180(W) x 50(H) x 230(D) mm
Weight 1680 g
1. Receiver
Multi Channel Receiver
The receiver incorporates a dual conversion super-heterodyne design.
Tuning frequency range 156.300-162.025 MHz
IF frequency used: 21.4 MHz; 455 KHz
Maximum useable sensitivity 6 dBµ e.m.f. of 20 dB/SINAD
Adjacent Channel selectivity 70 dB
Inter-modulation Rejection 68 dB
Current: 0.9 A (Max Audio)
0.3 A (STBY)
Audio Frequency Response +1, -3 dB of +6 dB/octave
De-emphasis 300-3000 Hz
Hum and Noise 40 dB
Audio output 3.5 W at less than 10% distortion
with 8 Ohm external speaker
2 W only internal speaker
2. Channel 70 Monitor General specification
Frequency CH70 (156.525 MHz)
Sensitivity 0 dBµ e.m.f. for 20 dB/SINAD
Band width 16 KHz
First IF frequency used 17.9 MHz
Second IF frequency used 455 KHz
Adjacent Channel Selectivity 70 dB
Inter-modulation Rejection 65 dB
Mode of Reception 16K0G2B
3. Transmitter
Type of emission 16K0F3E(Voice)
13K5G2B(DSC)
Frequency range 156.025 - 157.425 MHz
Output power 25 W, 1 W into 50 Ohms
Audio Harmonic Distortion 10%
Audio Frequency Response +/-3 dB of +6 dB/octave
Pre-emphasis 300 - 3000 Hz
Hum and Noise -40 dB
Frequency Deviation 5 KHz max peak
Spurious Emissions (Radiated) 0.25 µW
Current 5 A (25 W)
